SB2018022803 - XXE attack in Shibboleth
Published: February 28, 2018
Security Bulletin ID
SB2018022803
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) XXE attack (CVE-ID: CVE-2018-0489)
CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform XXE attack.
The vulnerability exists due to an implementation flaw in the XMLTooling library. A remote attacker can add or modify specially crafted XML data, modify digital signatures of user attribute data and impersonate a user or obtain potentially sensitive information.
Remediation
Install update from vendor's website.